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Rnhmjoj 2014-06-07 12:33:56 +02:00
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@ -239,8 +239,8 @@ I poliedri regolari o solidi platonici sono 5: tetraedro, esaedro o cubo, ottaed
| poliedro | facce | vertici | spigoli | superficie | volume |
|:-----------------------------------------------:|:-----:|:-------:|:-------:|:------------------------------------:|:------------------------------:|
| ![tetraedro](images/tetraedro.jpg) tetraedro | 4 | 4 | 6 | $s^2 \sqrt{3}$ | $\frac{1}{12}s^3\sqrt{2}$ |
| ![esaedro](images/esaedro.jpg) esaedro | 6 | 8 | 12 | $6s^2$ | $s^3$ |
| ![tetraedro](images/tetraedro.png) tetraedro | 4 | 4 | 6 | $s^2 \sqrt{3}$ | $\frac{1}{12}s^3\sqrt{2}$ |
| ![esaedro](images/esaedro.png) esaedro | 6 | 8 | 12 | $6s^2$ | $s^3$ |
| ![ottaedro](images/ottaedro.png) ottaedro | 8 | 6 | 12 | $2s^2 \sqrt{3}$ | $\frac{1}{3}s^3\sqrt{2}$ |
| ![dodecaedro](images/dodecaedro.png) dodecaedro | 12 | 20 | 30 | $15s^2 \sqrt{\frac{5+2\sqrt{5}}{5}}$ | $s^3 \frac{15+7\sqrt{15}}{4}$ |
| ![icosaedro](images/icosaedro.png) icosaedro | 20 | 12 | 30 | $s^2 5\sqrt{3}$ | $s^3 \frac{5(3+\sqrt{5})}{12}$ |